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Re: "Terny"-Crater/ex USSR
Bernd Pauli wrote:
>
>
> Dear List Members, Hello Mr. Czegka,
>
> My database METCAT has the following entry: Not very much but sth. to
> start with
>
> TERNY, USSR, Shock Metamorphosed Quartz
>
> A.A.Val'ter, V.V.Burmistrova and O.P. Sharkin, Shock- metamorphosed
> quartz with a Fe-Cr-Ni metallic inclusion from the base of the Terny
> astrobleme, Meteoritika, 1986, Issue 45, pp. 131 - 136: A minute
> inclusion of composition Fe (0.810) Cr (0.185) Ni (0.005) has been found
> in a clast of shock- metamorphosed quartz from a tagamite vein at the
> base of the Terny astrobleme (Krivoy R.). The crystallites forming the
> inclusion are estimated to be 0.0n micrometers in size, and are
> isostructural with iron and chromium (a0 = 0.286 ± 0.001 mm). It is
> proposed that the inclusions were captured as they condensed out of the
> products of the shock vaporisation. However their composition is not a
> direct reflection of any relationship with the elements in the
> meteorite as was thought previously, but is ascribed to condensation
> differentiation, as a result of which the composition of the inclusion
> became near that of the eutectic in the Fe-Cr system (abs. in
> Meteoritics, 1987, vol. 22, no.3, p. 295).
>
> Regards, Bernd
Hello Bernd, Hello All,
There is a Terny, north of Krivoy Rog at 48.8 N, 33.32 E but there is
no
astrobleme listed there. The other place, Ternovka, Ukraine, location
48° 1'N, 33° 5'E is also in the Krivoy Rog district, near Tsanivyy
village.
Best Regards, Andrei
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